{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T16:07:29Z","timestamp":1784736449462,"version":"3.55.0"},"reference-count":7,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"5","license":[{"start":{"date-parts":[[2021,5,1]],"date-time":"2021-05-01T00:00:00Z","timestamp":1619827200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,5,1]],"date-time":"2021-05-01T00:00:00Z","timestamp":1619827200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,5,1]],"date-time":"2021-05-01T00:00:00Z","timestamp":1619827200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2020YFB1807201"],"award-info":[{"award-number":["2020YFB1807201"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62031019"],"award-info":[{"award-number":["62031019"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000780","name":"European Commission through the H2020-MSCA-ITN META WIRELESS Research Project","doi-asserted-by":"publisher","award":["956256"],"award-info":[{"award-number":["956256"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Commun. Lett."],"published-print":{"date-parts":[[2021,5]]},"DOI":"10.1109\/lcomm.2021.3052787","type":"journal-article","created":{"date-parts":[[2021,5,7]],"date-time":"2021-05-07T21:04:31Z","timestamp":1620421471000},"page":"1403-1407","source":"Crossref","is-referenced-by-count":284,"title":["Channel Estimation for RIS Assisted Wireless Communications\u2014Part II: An Improved Solution Based on Double-Structured Sparsity"],"prefix":"10.1109","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6117-3189","authenticated-orcid":false,"given":"Xiuhong","family":"Wei","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3813-5096","authenticated-orcid":false,"given":"Decai","family":"Shen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4250-7315","authenticated-orcid":false,"given":"Linglong","family":"Dai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref4","article-title":"Channel estimation for reconfigurable intelligent surface aided multi-user MIMO systems","author":"chen","year":"2019","journal-title":"arXiv 1912 03619"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2020.2998357"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2019.2931202"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2018.2842724"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2958916"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/OJCOMS.2020.3002955"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2020.2977772"}],"container-title":["IEEE Communications Letters"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/4234\/9426614\/09328485.pdf?arnumber=9328485","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:51:09Z","timestamp":1652194269000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9328485\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,5]]},"references-count":7,"journal-issue":{"issue":"5"},"URL":"https:\/\/doi.org\/10.1109\/lcomm.2021.3052787","relation":{},"ISSN":["1089-7798","1558-2558","2373-7891"],"issn-type":[{"value":"1089-7798","type":"print"},{"value":"1558-2558","type":"electronic"},{"value":"2373-7891","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,5]]}}}